Хорошев / ИЛП_материал_маг_02.15 / DEF STAN 00-60 / Issue 4 / Part 0 - Appendix F to Annex C - Data element dictionary
.pdfDEF STAN 00-60 (PART 0)/4
APPENDIX F TO ANNEX C
234 MEAN TIME BETWEEN PREVENTIVE MAINTENANCE 10 D - - (MTBPM)
The mean of the distribution of intervals, measured in hours, rounds, etc., between preventive maintenance actions. This is one of the four categories of maintenance events contributing to the Mean Time Between Maintenance Actions (MTBMA) value (see DED 230). MTBPM may be calculated by the following formula:
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MTBPM = |
AOR × CON FAC |
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N |
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åTFi |
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i=1 |
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Where: |
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i |
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Preventive maintenance action |
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TFi |
= Task frequency of the ‘i’ preventive maintenance action |
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N |
= Total number of preventive maintenance actions charged |
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against the LCN/ALC item under analysis |
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AOR |
= |
Annual operating requirement |
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CON FAC |
= Conversion factor for the LCN/ALC item under analysis |
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235 MEAN TIME BETWEEN REMOVALS (MTBR) |
10 D - - |
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Measure of the system reliability parameter related to demand for logistics support. The total number of operational units (eg, kilometres, rounds, hours) divided by the total number of items removed from that system during a stated period of time. This term is defined to exclude removals performed to facilitate other maintenance and removals for product improvement. MTBR may be calculated by the following formula:
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MTBR = |
AOR × CON FAC |
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N |
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åTFi |
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i=1 |
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Where: |
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AOR |
= Annual operating requirement |
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CON FAC |
= Conversion factor for the LCN/ALC item under analysis |
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TFi |
= |
Task frequency of the ‘i’ applicable maintenance action |
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N |
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Total number of applicable maintenance actions |
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i |
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Applicable maintenance action (See note below) |
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NOTE: For a particular task to be applicable, it shall meet ALL of the following criteria:
a.It shall be either a ‘remove’ or a ‘remove and replace’ task.
b.It shall be categorized as either an ‘emergency’ or an ‘unscheduled’ task.
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APPENDIX F TO ANNEX C
c.The task shall be performed by ‘operator/crew/unit-crew’ or ‘organizational/on equipment/unit-organizational’ or by a maintenance contact team.
d.The task can not be performed to facilitate other maintenance or for product improvement.
REQUIRED MEAN TIME BETWEEN REMOVALS. An MTBR representing the supportability requirement/specification MTBR.
236 MEAN TIME TO REPAIR (MTTR) |
5 N R 2 |
The total elapsed time (clock hours) for corrective maintenance divided by the total number of corrective maintenance actions during a given period of time. MTTR may be calculated by the following formula:
N
å(TFi ) x (ETi )
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MTTR = |
i=1 |
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N |
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åTFi |
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i=1 |
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Where: |
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i |
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On equipment corrective maintenance actions |
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TFi |
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Task frequency of ‘i’ on equipment maintenance action |
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N |
= |
Total number of on equipment corrective maintenance actions |
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charged against the LCN/ALC item under analysis |
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ETi |
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Mean elapsed time of the ‘i’ on equipment corrective |
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maintenance action |
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MTTR is documented as both technical and operational characteristics. Technical parameters reflect the technical reliability that the system/equipment shall demonstrate. In determining these parameter values, all failures and resultant actions to restore the item (eg, a broken tail light is a technical, but not operational characteristic). Operational parameters reflect operational reliability and maintainability characteristics that the system shall demonstrate. Only operational mission failures and the resultant tasks are included (eg, engine failure will result in mission abort which is both an operational and technical failure).
REQUIRED MEAN TIME TO REPAIR. An MTTR representing the supportability requirement/specification MTTR.
SUPPORT EQUIPMENT MEAN TIME TO REPAIR. An MTTR of the support equipment.
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APPENDIX F TO ANNEX C
237 MEANS OF DETECTION |
2 A - - |
The means by which a system, subsystem, assembly, or subassembly is checked to verify its operational state or condition consisting of both a primary and secondary means of detection.
a. |
Primary means of detection |
1 |
A |
F |
- |
The primary means of detection of operational state or condition.
b. |
Secondary means of detection |
1 |
A |
F |
- |
The secondary means of detection of operational state or condition.
Built-in-test (BIT) |
B |
Manual test equipment (MTE Common) |
M |
Manual test equipment (MTE Peculiar) |
N |
Automatic test equipment (ATE Common) |
A |
Automatic test equipment (ATE Peculiar) |
P |
Human detection |
H |
238 MEASUREMENT BASE (MB) |
1 A F - |
A single position code which identifies the measurement unit for a particular operating time period or number of events. This equates to AECMA 2000M TEI TCA. Projects requiring allocation of additional codes (Lifts, Pulls, Builds, Effective Full Charge, Steaming Hours etc.) shall be agreed between the Project and Contractor at the start of the Project.
AECMA 2000M TEI TCA Codes: |
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Days |
A |
Months |
B |
Cycles |
C |
Years |
D |
Kilometres |
E |
Nautical Miles |
G |
Flying Hours |
H |
POL Flow Rate |
J |
Starts (Engine) |
K |
Landings |
L |
Operations |
M |
Figures |
N |
Operating Hours |
P |
Number of Rounds |
Q |
Stress Numbers |
R |
Seconds |
S |
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Deck Landings |
T |
Arrestments |
U |
Launches |
V |
Weeks |
W |
Sorties |
X |
Windings |
Y |
ANNUAL OPERATING REQUIREMENT MEASUREMENT BASE. A MB associated with the AOR.
AUTHORIZED LIFE MEASUREMENT BASE. A MB for authorized life.
ENGINEERING FAILURE MODE MEAN TIME BETWEEN FAILURE MEASUREMENT BASE. A MB for the engineering failure mode MTBF.
FAILURE MODE TASK MAINTENANCE INTERVAL MEASUREMENT BASE. A MB for the FMT maintenance interval.
FAILURE RATE MEASUREMENT BASE. A MB for the failure rate.
MAINTENANCE PROCEDURE MAINTENANCE INTERVAL MEASUREMENT BASE. A MB for the maintenance procedure maintenance interval .
MAXIMUM ALLOWABLE MAINTENANCE INTERVAL MEASUREMENT BASE. A MB for the Maximum Allowable Maintenance Interval.
MEAN MISSION DURATION MEASUREMENT BASE. A MB for the mean mission duration.
MEAN TIME BETWEEN CONSUMPTION MEASUREMENT BASE. A MB for the mean time between consumption.
MEAN TIME BETWEEN FAILURE OPERATIONAL MEASUREMENT BASE. A MB for the operational mean time between failure.
MEAN TIME BETWEEN FAILURE TECHNICAL MEASUREMENT BASE. A MB for the technical mean time between failure.
MEAN TIME BETWEEN MAINTENANCE ACTIONS OPERATIONAL MEASUREMENT BASE. A MB for the operational mean time between maintenance actions.
MEAN TIME BETWEEN MAINTENANCE ACTIONS TECHNICAL MEASUREMENT BASE. A MB for the technical mean time between maintenance actions.
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MEAN TIME BETWEEN MAINTENANCE INDUCED MEASUREMENT BASE. A MB for the mean time between maintenance induced.
MEAN TIME BETWEEN MAINTENANCE INHERENT MEASUREMENT BASE. A MB for the mean time between maintenance inherent.
MEAN TIME BETWEEN MAINTENANCE NO FAULT MEASUREMENT BASE. A MB for the mean time between maintenance no fault.
MEAN TIME BETWEEN PREVENTIVE MAINTENANCE MEASUREMENT BASE. A MB for the mean time between preventive maintenance.
MEAN TIME BETWEEN REMOVALS MEASUREMENT BASE. A MB for the mean time between removals.
OPERATING TIME MEASUREMENT BASE. A MB for the operating time.
SE MEAN TIME BETWEEN FAILURES. A MB for Support Equipment mean time between failure.
SE MEAN TIME BETWEEN MAINTENANCE ACTION. A MB for Support Equipment mean time between maintenance action.
TASK AOR MEASUREMENT BASE. A MB which corresponds to the AOR and is associated with the task frequency.
TIME BETWEEN OVERHAULS MEASUREMENT BASE. A MB for time between overhaul.
TIME BETWEEN SCHEDULED SHOP VISITS MEASUREMENT BASE. A MB for time between scheduled shop visits.
WEAROUT LIFE MEASUREMENT BASE. A MB for the wearout life.
239 METHOD OF PRESERVATION |
2 X F - |
A code which identifies the procedures for the application of protectives and short-term preservation of equipments to forestall deterioration resulting from exposure to atmospheric conditions during storage and transportation. This equates to Protection and Preservation Process in UK usage, described in DEF STAN 81-41. For further information and codes refer to DEF STAN 81-131.
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241 MILITARY LOAD CLASSIFICATION (EMPTY/LOADED) 4 N - AS
Identification of the military load classification number (for military bridges). The classification number empty is against the Operational Weight Empty (DED 276). The classification number loaded is against the Operational Weight Loaded (DED 276).
Classification number empty |
2 |
N |
R |
- |
Classification number loaded |
2 |
N |
R |
- |
242 MILITARY UNIT TYPE |
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240 |
X L - |
A narrative field that details the specific types of military units that will use or transport the system/equipment.
243 MINIMUM EQUIPMENT LIST INDICATOR |
1 A F - |
A one-position code which indicates whether the end item can be dispatched on its assigned mission with the item under analysis inoperative.
End item can be dispatched. |
Y |
End item cannot be dispatched. |
N |
244 MINIMUM EQUIPMENT LIST NARRATIVE |
65 X - - |
Narrative specifying any limitations on the end item when dispatched on its assigned mission with the analysis item inoperative.
246 MISSION PHASE CODE |
1 X F - |
A one-position code developed by the contractor that uniquely identifies a Mission Phase/Operational Mode (DED 247). Codes are A-Z, 0-9 and *. The asterisk indicates that the information contained for a particular item is applicable to all mission phases.
247 MISSION PHASE/OPERATIONAL MODE |
65 X - - |
A concise statement of the mission phase/operational mode in which the failure occurs. Where subphase, event, or time can be defined from the system definition and mission profiles, the most definitive timing information should also be described for the assumed time of failure occurrence.
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248 |
SUPPORT EQUIPMENT MOBILE FACILITY CODE |
1 |
A |
F |
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A code which expresses the applicability of the SE to mobile facilities. The following |
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codes may be used: |
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SE required for mobile facility only |
V |
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SE not suitable for mobile facilities |
X |
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Support not restricted to mobile facilities or other |
N |
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site categories |
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249 |
MOBILITY TYPE |
1 |
A |
F |
- |
A code which indicates the system/equipment type of mobility.
Skid |
A |
Tracked |
B |
Wheeled |
C |
Other |
O |
250 ROAD TRANSPORTER CAPACITY CODE |
1 A F - |
The payload capacity of the transporter (truck, trailer, etc.)
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Less than 5 tonne payload capacity |
A |
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5 tonne to 10 tonne payload capacity |
B |
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Greater than 10 tonne payload capacity |
C |
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251 |
ROAD TRANSPORTER MODEL TYPE |
19 |
X |
L |
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The model type and number of the transporter. |
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253 |
NATO STOCK NUMBER |
13 |
X |
- |
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A number assigned under the North Atlantic Treaty Organization (NATO) codification of equipment system to each approved item identification which provides a unique identification of an item of supply within a specified NATO Supply Classification (NSC).
Consists of the following sub-fields: |
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a. NATO Supply Classification (NSC) |
4 |
N |
F |
- |
This equates to AECMA 2000M TEI NSC |
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b. National Item Identification Number (NIIN) |
9 |
N |
F |
- |
This equates to AECMA 2000M TEI NIN |
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NSN equates to AECMA 2000M NATO Stock Number (TEI NSN).
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NOTE: An alphanumeric NIIN is used to document management control or temporarily assigned numbers prior to final NSN assignment. Final NSNs are completely numeric.
ALTERNATE NSN NATO SUPPLY CLASSIFICATION. The NSC of the NSN for an item which may be used in lieu of the SE under analysis.
ALTERNATE NSN NATIONAL ITEM IDENTIFICATION NUMBER. The NIIN portion of the NSN for an item which may be used in lieu of the SE under analysis. CONTAINER NSN. A number which provides a unique identification to a reusable (long life) container within the appropriate NSC.
INTEROPERABLE ITEM NATIONAL ITEM IDENTIFICATION NUMBER. The NIIN of the interoperable equipment.
INTEROPERABLE ITEM NSN NATO SUPPLY CLASSIFICATION. The NSC of the interoperable equipment.
SUBJECT ID NSN. The NSN of the Initial Provisioning Project Number Subject (DED 805). This equates to AECMA 2000M TEI SNS.
255 NEW OR MODIFIED FACILITY NARRATIVE CODE |
1 A F - |
A code that indicates the new or modified facility narrative.
Facility Design Criteria, DED 105 |
A |
Facility Installation Lead Time, DED 106 |
B |
Facility Task Area Breakdown, DED 122 |
C |
Facilities Utilization, DED 111 |
D |
Facilities Requirement, DED 108 |
E |
Facility Unit Cost Rationale, DED 123 |
F |
Facility Justification, DED 188 |
G |
Type Of Construction, DED 482 |
H |
Utilities Requirement, DED 502 |
I |
256 NEW OR MODIFIED SKILL NARRATIVE CODE |
1 A F - |
A code that indicates the new or modified skill narrative. |
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Additional Skill Requirement: Skill Requiring A New |
A |
Or Revised Skill Code, DED 007 |
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Educational Qualifications, DED 094 |
B |
Skill Justification, DED 188 |
C |
Additional Training Requirements, DED 012 |
D |
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257 NEW OR MODIFIED SKILL SPECIALITY CODE (SSC) |
9 X L - |
The SSC which is new or modified.
258 NEXT HIGHER ASSEMBLY PROVISIONING LIST ITEM 5 X L - SEQUENCE NUMBER (NHA PLISN),
The PLISN assigned to the item's next higher assembly. This may be the PLISN assigned to the item's kit, or the PLISN assigned to a major component which is a planned overhaul candidate for which the item is required.
259 NEXT HIGHER ASSEMBLY PROVISIONING LIST ITEM 1 X F - SEQUENCE NUMBER INDICATOR
A code which indicates the type of data entered in NHA PLISN, DED 258.
NHA |
N |
Major component |
C |
Both NHA and major component |
B |
Kit |
* |
Fabricated item |
F |
Assembled item |
A |
End item |
E |
260 NON-OPERABILITY FRAGILITY FACTOR (NOFF) |
2 N R - |
The maximum force acceleration or deceleration, expressed in units of gravity (Gs) that can be applied to an item in its non-operating state without causing physical damage or change in its operational characteristics. The NOFF should only be completed for an item that has been determined, or assumed to have a non-operational fragility tolerance of less than 40 Gs.
261 NOT REPAIRABLE THIS STATION (NRTS) |
3 N R - |
The percent of estimated repairable generations which the intermediate repair shops will be unable to repair and therefore, will be processed to a technical repair centre (depot).
262 NUMBER OF OPERATING LOCATIONS |
4 N R - |
The number of locations which will receive and operate the item under analysis.
263 NUMBER OF SHOPS |
2 N R - |
The number of maintenance locations available to perform repair at each maintenance echelon.
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264 NUMBER OF SKIDS |
2 N R - |
The total number of skids of the system/equipment that is being transported.
265 NUMBER OF SYSTEMS SUPPORTED |
6 N R - |
The average number of systems or end items supported by a maintenance level.
266 ITEM INTEROPERABILITY CODE |
1 A F - |
A code that specifies whether the item is an interoperability item or a mode of transport item.
Interoperability item |
I |
Mode of transport item |
M |
267 OPERATING AND SUPPORT COST |
8 N R - |
The projected annual ownership cost, used with an associated Currency Code (DED 629), per end item of ATE/TMDE averaged over its expected useful life.
268 SUPPORT EQUIPMENT OPERATING DIMENSIONS |
12 X - |
AS |
Dimensions of an item of support/test equipment or training material while it is in the operational configuration mode. Composed of the following sub-fields:
a. |
Length |
4 |
N |
R |
l |
b. |
Width |
4 |
N |
R |
l |
c. |
Height |
4 |
N |
R |
l |
269 OPERATING TIME |
6 |
N |
R |
2 |
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The operating time of the item under analysis per use/mission derived from the system definition.
270 OPERATING WEIGHT |
6 N R 1 |
The operating weight of the item under analysis. The measurement base to be decided by Project.
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